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Finding the Fourth Proportional to 566,538.68, 781,724.04 and 340,189.04

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Solution

The fourth proportional to 566,538.68, 781,724.04 and 340,189.04 is: 469,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,538.68 : 781,724.04 = 340,189.04 : x
  2. Step 2: Convert to fraction form
    566,538.68/781,724.04 = 340,189.04/x
  3. Step 3: Cross multiply
    566,538.68x = 781,724.04 × 340,189.04
  4. Step 4: Simplify right side
    566,538.68x = 265,933,950,712.52
  5. Step 5: Solve for x
    x = 265,933,950,712.52/566,538.68
  6. Step 6: Final answer
    x = 469,401.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.